18877888510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{127493}}^1$

素因数の和:127597

約数の個数: 64

約数和(自身を含む): 39325269312

約数和(自身を除く): 20447380802

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 67, 85, 130, 134, 170, 221, 335, 442, 670, 871, 1105, 1139, 1742, 2210, 2278, 4355, 5695, 8710, 11390, 14807, 29614, 74035, 127493, 148070, 254986, 637465, 1274930, 1657409, 2167381, 3314818, 4334762, 8287045, 8542031, 10836905, 16574090, 17084062, 21673810, 28175953, 42710155, 56351906, 85420310, 111046403, 140879765, 145214527, 222092806, 281759530, 290429054, 555232015, 726072635, 1110464030, 1452145270, 1887788851, 3775577702, 9438944255, 18877888510]

約数ペア:

[(1, 18877888510), (2, 9438944255), (5, 3775577702), (10, 1887788851), (13, 1452145270), (17, 1110464030), (26, 726072635), (34, 555232015), (65, 290429054), (67, 281759530), (85, 222092806), (130, 145214527), (134, 140879765), (170, 111046403), (221, 85420310), (335, 56351906), (442, 42710155), (670, 28175953), (871, 21673810), (1105, 17084062), (1139, 16574090), (1742, 10836905), (2210, 8542031), (2278, 8287045), (4355, 4334762), (5695, 3314818), (8710, 2167381), (11390, 1657409), (14807, 1274930), (29614, 637465), (74035, 254986), (127493, 148070)]